About this river
Vermilion River is an 18.5 mile river near West River Paddling Company in Ohio. Streamflow is measured at the USGS gauge Vermilion River near Vermilion OH (site 04199500). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1950 to 2026
Vermilion River typically runs highest in March, at a median 281 cfs, and lowest in September, at 8.8 cfs. The highest flow on record for any single day is 22,900 cfs, in 1978.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 115 | 54 to 344 | |
| February | 160 | 82 to 450 | |
| March | 281 | 143 to 665 | |
| April | 186 | 98 to 436 | |
| May | 109 | 50 to 248 | |
| June | 47 | 24 to 138 | |
| July | 21 | 8.6 to 66 | |
| August | 12 | 4.5 to 33 | |
| September | 8.8 | 3.5 to 28 | |
| October | 14 | 4.6 to 34 | |
| November | 44 | 16 to 131 | |
| December | 111 | 45 to 289 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 57 years of record. Statistics published by the US Geological Survey for Vermilion River near Vermilion OH (site 04199500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
5 mapped launches sit in the mapped area of Vermilion River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
- Riverview Inc. RV Park & MarinaPublic
- Maple Grove Marina & ParkPublic
- Marios LandingPublic
- Vermilion Public Launch South St.RampVermilion RiverPublic
- Bulans BoatyardVermilion RiverPublic
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Vermilion River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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